il padrone wrote:When it comes to "front gearboxes" the one that does it all is Pinion and it is in production now.

The Pinion does not appear to the same as the Schlumpf or the proposed Efneo. It looks more like it is a competitive to say a Rohloff and in that context looks interesting.

The idea of the Schlumpf and Efneo is to extend the range of the rear hub/derailluer with a planetary gearing system. A Schlumpf with a Rohloff is a serious option for myself. More so given it has a bit of a track record with trikes.

I know this forum is not for the commercial purpose, but as this discussion on Efneo gearbox has been started here, I'll join (I am co-owner of Efneo).We have done a huge progress since you wrote about us two years ago. Now we are very close to launching the product to the market. You can see the newest videos and technical details at our web site www.efneo.com. Hope you like it! And hope you will not ban us for this post

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